/Engine/Source/Editor/SubobjectDataInterface/Public/SubobjectDataSubsystem.h
Attempts to reparent all subobjects in the HandlesToMove array to the new parent handle.
bool ReparentSubobjects ( const [FReparentSubobjectParams](API\Editor\SubobjectDataInterface\FReparentSubobjectParams) & Params, const [TArray](API\Runtime\Core\Containers\TArray)< [FSubobjectDataHandle](API\Editor\SubobjectDataInterface\FSubobjectDataHandle) > & HandlesToMove )